std.Io.print/println take any mix of printable arguments (compiler expands per type); docs, conformance

2 files changed, 20 insertions, 0 deletions

diff --git a/tests/conformance/3-expressions/print_varargs.zc b/tests/conformance/3-expressions/print_varargs.zc
new file mode 100644
index 0000000..6918c8c
--- /dev/null
+++ b/tests/conformance/3-expressions/print_varargs.zc
@@ -0,0 +1,14 @@
+// expect: a b 42 -7 1.500000//name: zc/6/
+// spec 3.11.7
+include rt, std;
+char* make_name() { char* s = rt.new(3); s[0] = 'z'; s[1] = 'c'; s[2] = 0; return s; }
+fn main() {
+	float f = 1.5;
+	std.Io.print("a");
+	std.Io.println(" b ", 42, " ", -7, " ", f);
+	std.Io.println();
+	std.Io.println("name: ", make_name());
+	int x = 3;
+	std.Io.println(x * 2);
+}
+// zc0: skip
diff --git a/tests/conformance/3-expressions/print_varargs_fresh_object.zc b/tests/conformance/3-expressions/print_varargs_fresh_object.zc
new file mode 100644
index 0000000..5cba2a4
--- /dev/null
+++ b/tests/conformance/3-expressions/print_varargs_fresh_object.zc
@@ -0,0 +1,6 @@
+// expect error: a new object can't be printed
+// spec 3.11.7
+include rt, std;
+struct node { int v; };
+fn main() { std.Io.println(rt.new(node)); }
+// zc0: skip